Switch CI/CD to Gitea Actions and Gitea registry

.gitea/workflows/images.yml

@@ -0,0 +1,40 @@
+name: images
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Login to Gitea Container Registry
+        env:
+          REGISTRY: ${{ secrets.GITEA_REGISTRY_HOST }}
+          USERNAME: ${{ secrets.GITEA_REGISTRY_USERNAME }}
+          TOKEN: ${{ secrets.GITEA_REGISTRY_TOKEN }}
+        run: |
+          test -n "$REGISTRY"
+          test -n "$USERNAME"
+          test -n "$TOKEN"
+          echo "$TOKEN" | docker login "$REGISTRY" -u "$USERNAME" --password-stdin
+
+      - name: Build images
+        env:
+          IMAGE_PREFIX: ${{ secrets.GITEA_IMAGE_PREFIX }}
+          IMAGE_TAG: ${{ github.sha }}
+        run: |
+          test -n "$IMAGE_PREFIX"
+          sh docker/scripts/build_images.sh all
+
+      - name: Push images
+        env:
+          IMAGE_PREFIX: ${{ secrets.GITEA_IMAGE_PREFIX }}
+          IMAGE_TAG: ${{ github.sha }}
+        run: |
+          test -n "$IMAGE_PREFIX"
+          sh docker/scripts/push_images.sh all